Răspunsuri

2014-02-16T17:18:40+02:00
Prin metoda figurativa, 4a=448
care e primul nr? 448:4=112
care e al doilea nr? 112x3=336
2014-02-16T17:18:59+02:00
A+b=448
a=3b
a=?
b=?
a+b=448
3b+b=448
4b=448|÷4
b=112|×3
a=336